827
FNCA52 TJSJ 261930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST SUN APR 26 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-270800-
SOUTHEAST COASTAL PLAINS-
330 PM AST SUN APR 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 50 60 60
TEMP (24H TREND) 71 (-1) 88 (+2) 72 87
RH % (24H TREND) 95 (+8) 54 (-4) 93 53
WIND 20FT/EARLY(MPH) SE 5 E 9 E 5 E 9
WIND 20FT/LATE(MPH) NE 5 SE 10 LGT/VAR SE 10
MIXING HGT(FT-AGL/MSL) 4100 3900
TRANSPORT WND (MPH) SE 9 E 8
VENT RATE (KT-FT) 32800 27300
DISPERSION 5 5
DSI 2 6 1 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-270800-
SOUTHERN HILLS-
330 PM AST SUN APR 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 50 60 60
TEMP (24H TREND) 68 (-2) 85 (+3) 68 84
RH % (24H TREND) 99 (+6) 68 (0) 99 69
WIND 20FT/EARLY(MPH) SE 5 SE 8 E 5 E 6
WIND 20FT/LATE(MPH) E 5 SE 9 LGT/VAR SE 8
MIXING HGT(FT-AGL/MSL) 5040 4380
TRANSPORT WND (MPH) SE 9 E 7
VENT RATE (KT-FT) 40320 26280
DISPERSION 5 5
DSI 1 6 1 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-270800-
NORTH COASTAL PLAINS-
330 PM AST SUN APR 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 30 70 40 90
TEMP (24H TREND) 70 (-1) 89 (+1) 71 87
RH % (24H TREND) 99 (+4) 62 (0) 100 64
WIND 20FT/EARLY(MPH) S 8 E 6 SE 8 E 6
WIND 20FT/LATE(MPH) LGT/VAR E 10 LGT/VAR E 9
MIXING HGT(FT-AGL/MSL) 4140 3800
TRANSPORT WND (MPH) SE 6 E 6
VENT RATE (KT-FT) 20700 19000
DISPERSION 5 4
DSI 1 5 2 5
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-270800-
NORTHERN HILLS-
330 PM AST SUN APR 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 30 70 30 90
TEMP (24H TREND) 68 (-1) 88 (+2) 69 86
RH % (24H TREND) 99 (+3) 63 (+1) 99 68
WIND 20FT/EARLY(MPH) SE 5 SE 5 LGT/VAR SE 5
WIND 20FT/LATE(MPH) LGT/VAR NE 5 LGT/VAR NE 6
MIXING HGT(FT-AGL/MSL) 5100 4050
TRANSPORT WND (MPH) SE 5 E 3
VENT RATE (KT-FT) 20400 12150
DISPERSION 5 4
DSI 1 5 1 5
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-270800-
WEST COAST-
330 PM AST SUN APR 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 40 60 60
TEMP (24H TREND) 71 (0) 89 (+1) 71 88
RH % (24H TREND) 99 (+5) 63 (0) 99 64
WIND 20FT/EARLY(MPH) SE 10 SE 9 E 9 E 6
WIND 20FT/LATE(MPH) E 9 SE 11 E 6 SE 8
MIXING HGT(FT-AGL/MSL) 4600 3920
TRANSPORT WND (MPH) SE 9 S 5
VENT RATE (KT-FT) 36800 15680
DISPERSION 5 5
DSI 3 6 3 5
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-270800-
EASTERN INTERIOR-
330 PM AST SUN APR 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 70 60 60
TEMP (24H TREND) 69 (-2) 86 (+1) 70 85
RH % (24H TREND) 99 (+4) 67 (+4) 99 68
WIND 20FT/EARLY(MPH) S 8 SE 8 SE 8 SE 6
WIND 20FT/LATE(MPH) SE 6 SE 10 SE 5 E 8
MIXING HGT(FT-AGL/MSL) 5110 4920
TRANSPORT WND (MPH) S 9 SE 7
VENT RATE (KT-FT) 40880 29520
DISPERSION 5 5
DSI 2 6 1 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-270800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST SUN APR 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 70 60 70
TEMP (24H TREND) 67 (-2) 82 (+2) 67 81
RH % (24H TREND) 100 (+3) 73 (+3) 100 72
WIND 20FT/EARLY(MPH) S 6 SE 6 SE 6 SE 5
WIND 20FT/LATE(MPH) SE 5 SE 9 LGT/VAR SE 6
MIXING HGT(FT-AGL/MSL) 4240 3690
TRANSPORT WND (MPH) S 10 SE 7
VENT RATE (KT-FT) 38160 22140
DISPERSION 5 4
DSI 2 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-270800-
CENTRAL MOUNTAIN RANGE-
330 PM AST SUN APR 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 70 50 80
TEMP (24H TREND) 65 (-2) 85 (+4) 66 83
RH % (24H TREND) 99 (+3) 66 (-3) 100 71
WIND 20FT/EARLY(MPH) SE 6 SE 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SE 5 SE 6 LGT/VAR E 5
MIXING HGT(FT-AGL/MSL) 6090 4530
TRANSPORT WND (MPH) SE 7 SE 3
VENT RATE (KT-FT) 36540 13590
DISPERSION 5 4
DSI 2 6 1 5
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-270800-
CAYEY MOUNTAIN RANGE-
330 PM AST SUN APR 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 60 60
TEMP (24H TREND) 68 (-1) 81 (+1) 68 80
RH % (24H TREND) 100 (+3) 74 (+5) 100 74
WIND 20FT/EARLY(MPH) S 5 SE 6 SE 5 E 5
WIND 20FT/LATE(MPH) LGT/VAR SE 8 LGT/VAR E 6
MIXING HGT(FT-AGL/MSL) 4610 4200
TRANSPORT WND (MPH) S 9 E 7
VENT RATE (KT-FT) 36880 25200
DISPERSION 5 5
DSI 1 6 1 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-270800-
VIEQUES-
330 PM AST SUN APR 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 50 60 60
TEMP (24H TREND) 73 (-2) 86 (0) 73 86
RH % (24H TREND) 97 (+7) 65 (0) 96 64
WIND 20FT/EARLY(MPH) S 9 SE 10 SE 8 E 8
WIND 20FT/LATE(MPH) SE 9 SE 11 E 5 E 9
MIXING HGT(FT-AGL/MSL) 2640 3130
TRANSPORT WND (MPH) S 10 SE 10
VENT RATE (KT-FT) 23760 28170
DISPERSION 5 5
DSI 6 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-270800-
CULEBRA-
330 PM AST SUN APR 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 50 60 60
TEMP (24H TREND) 75 (-2) 87 (+1) 74 87
RH % (24H TREND) 97 (+9) 65 (-2) 96 63
WIND 20FT/EARLY(MPH) SE 9 SE 10 SE 9 SE 8
WIND 20FT/LATE(MPH) SE 8 SE 11 SE 6 SE 10
MIXING HGT(FT-AGL/MSL) 2810 2900
TRANSPORT WND (MPH) S 12 SE 10
VENT RATE (KT-FT) 28100 26100
DISPERSION 5 5
DSI 6 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-270800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST SUN APR 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 60 50
TEMP (24H TREND) 72 (0) 90 (+2) 72 89
RH % (24H TREND) 99 (+11) 52 (-4) 95 53
WIND 20FT/EARLY(MPH) SE 11 E 11 E 10 E 10
WIND 20FT/LATE(MPH) E 10 SE 13 E 9 SE 11
MIXING HGT(FT-AGL/MSL) 4570 4250
TRANSPORT WND (MPH) SE 12 SE 9
VENT RATE (KT-FT) 45700 34000
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-270800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST SUN APR 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 50 60 60
TEMP (24H TREND) 75 (-2) 86 (+1) 75 86
RH % (24H TREND) 96 (+9) 65 (-3) 94 64
WIND 20FT/EARLY(MPH) SE 9 SE 10 SE 9 E 11
WIND 20FT/LATE(MPH) SE 8 SE 11 E 8 E 11
MIXING HGT(FT-AGL/MSL) 2650 2780
TRANSPORT WND (MPH) SE 13 SE 10
VENT RATE (KT-FT) 29150 25020
DISPERSION 5 5
DSI 5 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-270800-
ST CROIX-
330 PM AST SUN APR 26 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 60 60
TEMP (24H TREND) 74 (-1) 86 (+1) 74 86
RH % (24H TREND) 99 (+7) 67 (-3) 96 64
WIND 20FT/EARLY(MPH) SE 8 SE 11 SE 8 E 10
WIND 20FT/LATE(MPH) SE 8 SE 11 E 6 E 11
MIXING HGT(FT-AGL/MSL) 3850 4220
TRANSPORT WND (MPH) SE 14 SE 14
VENT RATE (KT-FT) 46200 50640
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
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